发明授权
EP0163245B1 Derivatives of alkyl-substituted 4-hydroxy-methyl-piperidine and use thereof as stabilizers 失效
烷基取代的4-羟基 - 甲基哌啶的衍生物及其作为稳定剂的用途

Derivatives of alkyl-substituted 4-hydroxy-methyl-piperidine and use thereof as stabilizers
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